BIOSURFACTANT PROPERTIES AND ITS APPLICATION IN CHROMIUM REMOVAL: A REVIEW
Usman Ali Bukar,
Abdullahi Hassan Kawo,
Sani Yahaya
и другие.
FUDMA Journal of Sciences,
Год журнала:
2025,
Номер
9(1), С. 273 - 287
Опубликована: Янв. 31, 2025
Chromium
contamination
primarily
originates
from
anthropogenic
activities
such
as
industrial
discharges,
mining
operations,
and
the
improper
disposal
of
chromium-containing
products,
leading
to
its
infiltration
into
soil
groundwater.
The
persistence
chromium
in
environment
poses
severe
ecological
health
risks,
including
bioaccumulation
aquatic
organisms
adverse
effects
on
plant
growth
microbes.
Human
exposure
through
contaminated
water
or
occupational
settings
is
linked
respiratory
problems,
skin
disorders,
heightened
cancer
risk.
Addressing
these
challenges
necessitates
sustainable
remediation
approaches,
highlighting
potential
biosurfactants
eco-friendly
alternatives
conventional
methods.
This
review
was
aimed
provide
an
overview
different
properties
application
removal,
covering
key
aspects
introduction
future
perspectives.
Biosurfactants
microbial-derived
surface-active
agents,
exhibit
that
make
them
highly
effective
reducing
contamination.
Their
biodegradability,
low
toxicity,
renewable
production
ensure
minimal
environmental
impact.
Moreover,
their
amphiphilic
nature
enhances
bioavailability,
facilitating
microbial
uptake
reduction.
Certain
chelate
metal
ions,
preventing
migration
secondary
contamination,
while
synergistic
interactions
with
microorganisms
improve
efficiency.
By
supporting
transformation
toxic
Cr
(VI)
less
harmful
(III)
promoting
precipitation
insoluble
compounds,
offer
a
versatile
solution
for
mitigating
pollution.
Язык: Английский
BIOREMEDIATION: A SUPERIOR ALTERNATIVE FOR REMEDIATING TANNERY EFFLUENT-CONTAMINATED SOIL
FUDMA Journal of Sciences,
Год журнала:
2025,
Номер
9(2), С. 193 - 208
Опубликована: Фев. 28, 2025
Tannery
effluent
poses
significant
risks
to
soil
health,
primarily
through
contamination
with
heavy
metals
like
chromium,
sulphides,
and
persistent
organic
pollutants
(POPs).
These
toxic
substances
inhibit
microbial
activity,
reducing
nutrient
cycling
matter
decomposition
essential
for
fertility.
Beneficial
microorganisms,
including
nitrogen-fixing
bacteria,
are
particularly
affected,
leading
altered
communities
dominated
by
less
advantageous,
metal-tolerant
species.
Accumulation
of
POPs
disrupts
enzymatic
activities,
interferes
plant
root
growth,
complicates
remediation
efforts
due
pollutant
migration
groundwater
potential
entry
into
the
food
chain.
Prolonged
exposure
such
contaminants
diminishes
fertility,
reduces
resilience,
ecosystem
services,
posing
threats
agricultural
productivity
environmental
health.
This
review
was
aimed
outline
what
made
bioremediation
a
superior
treatment
technology
among
other
methods
used
in
remediating
tannery
contaminated
soil.
Efforts
mitigate
impacts
involve
combination
physical,
chemical,
biological
technologies.
Physical
washing,
flushing,
thermal
desorption
focus
on
removing
or
isolating
contaminants,
while
chemical
approaches
as
oxidation,
reduction,
stabilization
transform
harmful
forms
immobilize
them.
Biological
leverages
microorganisms
plants
detoxify
sustainably.
Bioremediation
strategies
aid
bioaugmentation
biostimulation
do
enhance
activity
address
inorganic
effectively
more
than
physical
methods.
Another
excellent
called
phytoremediation
can
also
effectively,
Achieving
better
technique
should
be
coupled
stringent
industrial
regulations,
sustainable
tanning
methods,
stakeholder
awareness
Язык: Английский